High-powered 13.5mm neodymium drivers for exceptional sound

Each speaker driver is carefully hand picked, tuned and tested before being paired to ensure delivery of the most balanced, natural sound. The 13.5mm drivers utilize high power neodymium magnets to deliver deep bass impact, transparent mid-range and refined high frequencies. 

Comply™ Foam Tips for superb custom fit and noise isolation

Enhance your listening experience with the bypacked Comply™ Foam Tips. The tips provide stay-in-place fit coupled with amazing all-day comfort, while providing noise insulation, allowing you to tune out from the world and into your music. 

Ultra-soft silicone tips in 3 sizes for a custom, snug fit

The Fidelio S1 in-ear headphones come with 3 pairs of acoustically sealed silicone tips to ensure a snug fit as well as longer wearing comfort. 

Engineered metal housing reduces vibration and resonance

The metal housing is meticulously engineered to reduce resonance and vibration, delivering authentically precise sound marked by incredible sound detail. 

Ergonomic earphones fit perfectly while dispersing pressure

The Fidelio S1 earphones are ergonomically shaped to fit your ear’s natural curve, all the while dispersing pressure. Its lightweight aluminum construction and superior materials ensure long-lasting comfort, allowing you to experience true comfort as you enjoy your music to the fullest. 

Handpicked, tuned and tested drivers for a precise match

Each speaker driver is specially tested and hand picked as ideal stereo pairs, together delivering superbly deep bass, transparent mid-range and refined high frequencies. 

Switch between music and calls with in-line control and mic

The Fidelio S1 in-ear headphones feature an in-line remote and microphone so you can switch easily between your music and calls. Stay connected with important people – and your music, always. 

Lightweight aluminum housing with refined brushed finish

Protective pouch to store your headphones when not in use

Semi-closed back design for sound balance and bass extension